42724534144 has 32 divisors (see below), whose sum is σ = 85278785040. Its totient is φ = 21321231360.

The previous prime is 42724534123. The next prime is 42724534183. The reversal of 42724534144 is 44143542724.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 42724534097 and 42724534106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253644 + ... + 387019.

Almost surely, 2^42724534144 is an apocalyptic number.

It is an amenable number.

42724534144 is a deficient number, since it is larger than the sum of its proper divisors (42554250896).

42724534144 is an equidigital number, since it uses as much as digits as its factorization.

42724534144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641198 (or 641186 counting only the distinct ones).

The product of its digits is 430080, while the sum is 40.

The spelling of 42724534144 in words is "forty-two billion, seven hundred twenty-four million, five hundred thirty-four thousand, one hundred forty-four".